An injury to the cervical spine caused by an abrupt jerking motion of the head, either backward or forward.
鞭抽式损伤，头部受伤由于头颈突然猛拧的一个动作，或者向前或者向右，造成的对。
Sometimes, it may seem too similar, so just vary the timing of the motion or change the motion of an arm or head and it will cease to resemble the original.
有时，也许看起来太相似了，只需修改运动的时间或者改变手臂或头的运动将不会再象原来的了。
Slowly move the tips of your fingers around your eyes in a slow, circular motion. After a minute, move down to your mouth, then to your neck and the back of your head.
用指尖慢慢在眼眶周围打圈，一分钟后，手指下移到嘴边，再到颈部，最后移到脑后。
Even if the character is just turning their head, you will probably want a few frames to soften up the start or end of the motion.
即便角色只是旋转了一下头部，你也可能需要在动作的起始和结束的地方加一些帧使之更平滑些。
In the Nature paper, the researchers discovered that the majority of crawling (movement along messenger RNA) occurs during a new kind motion, "head swivel," rather than ratcheting.
在《自然》的这篇论文中，研究者发现，多数移行(沿信使RNA运动)在一种新的运动中出现，“头部旋转”，而不是发生棘轮。
SAN FRANCISCO (AFP) – The head of BlackBerry maker Research In Motion (RIM) fired a shot at , slamming the notion that smartphones need "apps."
（法新社旧金山11月17日报道）黑莓最主要的制造商ResearchInMotion（RIM）向竞争对手苹果开炮，抨击智能手机需要“应用程序”的概念。
By analyzing motion orbits of picks when a horizontal cutting head cuts, geometry models and motion equations are set up in the paper.
分析横轴式截割头摆动截割时截齿的运动轨迹，建立了其几何模型和运动方程。
Improving the motion stability of the main head of tube rolling mill has great influence on improving the rolling quality of the tube.
提高轧管机主机头运动稳定性对改善钢管的轧制质量有着较大的影响。
A single global scale on the entire head model is fine (e. g. to convert feet to meters, or to shrink or grow the player), but do not scale head motion independent of interpupillary distance (IPD).
对整个头部模型采用单一的全局缩放值很是可以的(例如将英尺转换为米，或将玩家缩小或放大)，但不要缩放瞳距参数。
The characteristics of head motion in flight training are summarized based on data from many experiments.
通过实验数据分析，总结了飞行学员训练过程中头部的运动特性。
The relation equation between the stylus beating frequency and the motion speed of printer head is derived from the analysis of the mechanism of stylus printer and validated by experience.
通过对打印机工作机理的分析，确定了打印机出针频率与打印头运行速度之间的关系。
Lastly, Charles discusses the primary muscle groups of the human head, demonstrating each muscle's primary motion.
最后，查尔斯讨论主要的肌肉群的人体头部，证明每块肌肉的主要运动。
A direct interpolation algorithm of spiral bevel gear NC machining is proposed, thus establishing the relationship between the motion of the cutter-head center and the rotation of the work gear.
提出了弧齿锥齿轮数控加工的直接插补算法，确定了铣齿刀盘中心运动和工件齿轮旋转运动之间的关系。
In this paper, the motion model of the cutting head of axial cutting type and radial cutting type is deduced and analyzed, which is helpful for CAD.
推导和分析了横轴式和纵轴式两种切割头运动模型，为切割头CAD设计打下理论基础。
Villefort rang. a police agent entered. villefort whispered some words in his ear, to which the officer replied by a motion of his head.
维尔福拉响了铃，警长走进来， 维尔福在他的耳边低声说了几句话，警长点点头会意。
What I'm trying to depict is to have them follow the same path of motion, even though the monster is oriented with its head to the left and the sub to the right.
我尝试描绘是让他们按照同样的路径运动，即使怪物是面向其头部左侧和小组的权利。
By controling the three-dimensional motion of the X-Y table and bond head, precision positioning and desired line-type gold wires can be realized, and an ultrasonic wave bonded method is used.
工作原理是通过X-Y工作台和焊头的三维运动控制，定位并拉出设定的金丝线型，采用超声波热压球焊方法焊接芯片管脚。
For example, the visual system may provide strong cues of self-motion while the vestibular system in your inner ear tells your brain that your head is stationary.
例如，当你内耳里的前庭系统告诉你的大脑你的头是固定的同时，你的视觉系统却给你自身运动的强烈暗示。
There are some simplified hypotheses for head motion in the common analysis software packages. Due to large volume of data, the correction error is also large.
但因数据量较大，常规分析软件对实验数据进行运动校正时做了一些简化处理，校正误差较大。
Chiu and Seman (1971) studied the head loss of flows transporting sediment in circular and square pipes with spiraling motion.
邱和思门(1971)研究了在圆管和方形管中输沙时具有螺旋运动的水流的水头损失问题。
By controling three-dimensional motion of the X-Y table and bond head, precision positioning and desired line-type gold wires can be realized, and an ultrasonic wave bonded method is used.
工作原理是通过X-Y工作台和焊头的三维运动控制，定位并拉出设定的金丝线型，采用超声波热压球焊方法焊接芯片管脚。
By controling three-dimensional motion of the X-Y table and bond head, precision positioning and desired line-type gold wires can be realized, and an ultrasonic wave bonded method is used.
工作原理是通过X-Y工作台和焊头的三维运动控制，定位并拉出设定的金丝线型，采用超声波热压球焊方法焊接芯片管脚。
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